2113172859408 has 320 divisors, whose sum is σ = 6140859793152. Its totient is φ = 621880934400.

The previous prime is 2113172859397. The next prime is 2113172859533. The reversal of 2113172859408 is 8049582713112.

It is a happy number.

It is a super-2 number, since 2×2113172859408² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 929683360 + ... + 929685632.

Almost surely, 2^{2113172859408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113172859408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3070429896576).

2113172859408 is an abundant number, since it is smaller than the sum of its proper divisors (4027686933744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113172859408 is a wasteful number, since it uses less digits than its factorization.

2113172859408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 2113172859408 in words is "two trillion, one hundred thirteen billion, one hundred seventy-two million, eight hundred fifty-nine thousand, four hundred eight".